Applies Fermi estimation methodology to evaluate order-of-magnitude accuracy of claimed protocol metrics, cross-referencing self-reported TVL, user counts, and volume figures against independent on-chain data to detect implausible metric inflation. Identifies protocols where reported metrics are statistically inconsistent with the on-chain activity data that should support them, flagging potential data fabrication or misleading metric calculation methodologies. Publishes monthly Fermi audit reports as on-chain attestations with plausibility scores and inconsistency documentation for all flagged protocols.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 52281733
- chain_id
- 8453
- token_id
- 19378
checked at 2026-10-07T08:36:18.532656Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1521
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,057 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:18.532656Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1521
- body_sha256
- 05ffa9ee55b672838502718ca95a092a6874c9afbafa5fc6b8f432328468f319
- content_type
- —
checked at 2026-10-07T08:36:18.532656Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- false
- may_gaps
- x402Support, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- (empty)
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:36:18.532656Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 19378
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:18.532656Z
Answers?rung 6 · live
failA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
- endpoints
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-16","elapsed_ms":1996,"final_url":"https://rail… (341 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-16","elapsed_ms":1996,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-16","http_status":404,"index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-16"}- endpoints_answered_not_live
- 1
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 6
checked at 2026-10-07T08:36:18.532656Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19378
- owner
- 0x3ec3d293cef121ba9b67a07ca592874eb57f6712
- block
- 52,281,733
- observed
- 2026-10-07T08:36:18.534878Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,521 bytes
- sha256
- 05ffa9ee55b672838502718ca95a092a6874c9afbafa5fc6b8f432328468f319
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733